[AT] Lawn mower carburetors are a piece of cake..... Wrong--NOW Battery Power

Sun Jun 13 19:14:20 PDT 2021

No. A battery tender doesn’t’t act like a battery charger. A battery charger will do one of two things, depending on how it’s designed. One will put out a constant voltage which isn’t the best thing for a battery since you can over charge the battery if left on too long. The other will charge the battery and when it’s near full charge, will drop down to a trickle charge to top off the battery. But again you shouldn’t leave it on indefinitely.

On the other, hand a battery tender will automatically shut off when it senses that the battery is fully charged.

Carl

----- Original Message -----
From: Mike M <meulenms at gmx.com>
To: at at lists.antique-tractor.com
Sent: Sun, 13 Jun 2021 19:20:54 -0400 (EDT)
Subject: Re: [AT] Lawn mower carburetors are a piece of cake..... Wrong--NOW Battery Power

Carl, is the same true for a battery tender? I leave all my machinery
plugged into them all winter long.

Mike M

On 6/13/2021 6:43 PM, szabelski at wildblue.net wrote:
> Maintaining batteries can be a hassle. At some point they will start to not take a full charge and need to be replaced. They build up internal “shorts” (part of their internal chemical process) from normal use that start to diminish their ability to be recharged. You can go on YouTube and find videos on how to reverse change them using a welder or other high current source. I’ve done it a few times with some success. Also you shouldn’t plug a battery into a charger and let it sit there forever, you wind up sorta putting a reverse charge on the battery and it won’t fully charge anymore. You shouldn’t drain a battery down to nothing either, it also degrades the battery and the charger more than likely doesn’t have the ability to fully resurrect a totally dead battery. My latest drill will stop running at a point where the battery is still partially charged. If I have one more screw to put in, it will work for a few more turns with each trigger pull, but will not run continuously. You can also go on YouTube and find videos that will show you how to rebuild a battery using a set of equivalent batteries. Takes some soldering and knowledge of wiring them correctly.
>
> Carl
>
>
> ----- Original Message -----
> From: STEVE ALLEN <steveallen855 at centurytel.net>
> To: at <at at lists.antique-tractor.com>
> Sent: Sun, 13 Jun 2021 16:19:22 -0400 (EDT)
> Subject: Re: [AT] Lawn mower carburetors are a piece of cake..... Wrong--NOW Battery Power
>
>
> Thanks to everyone who responded to my query!
>
> As I was helping my son do some finishing work on a bathroom remodel today, another question occurred to me:  do the batteries on trimmers and such hold a charge?
>
> Between my son and me, we have three or four battery-powered drills/drivers.  None is commercial grade, but none was cheap, either.  But none of the batteries ever holds a charge (so my son resorted to a corded drill).
>
> If I have an opportunity to work, I can't first plug the charger in for four hours (or more) to get a working battery before getting started:  I need to take advantage of my opportunities.  With a gas trimmer, I go out, crank it, and go to work.  Will I be able to do that with a battery-powered one?
>
> The "original" Steve Allen
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